Audi Workshop Service and Repair Manuals

Removing and installing clutch master cylinder Special tools and workshop equipment required

t  Pliers -T10005-

Removing –  Remove cover panel (front left) -arrows-.

–  If fitted, detach hose -1- for secondary air pump. –  Detach air intake hose at air mass meter -G70- (slacken hose clip -2-). –  Unplug electrical connector for air mass meter -G70--3-. –  Remove bolts -4- and -5- and detach air cleaner housing.

–  Disconnect supply hose -A- going to brake fluid reservoir and seal off hose. –  Pull out clip -B- for pipe/hose assembly as far as stop. –  Pull pipe/hose assembly -C- out from master cylinder and seal. –  Remove storage compartment on driver's side → Rep. Gr.68. –  Remove clutch pedal switch → Chapter „Removing and installing clutch pedal switch -F36- (square housing)“ or → Chapter „Removing and installing clutch pedal switch -F36- (round housing)“.

–  Pull clutch pedal lightly towards the passenger compartment to separate master cylinder operating rod from clutch pedal and press both sides of retaining clip inwards -arrows- using pliers -T10005-.

–  Remove connecting plate -A--arrows 1-. –  Remove nuts -arrows 2- and take off mounting bracket -B-.

–  Turn stop -A- for clutch pedal in direction of -arrow- and remove.

–  Then push master cylinder in the direction of -arrow 1- onto stop. l  It must not be covered in upper area by over-centre spring mounting -arrow 2-. –  Then swing master cylinder in direction of -arrow 3- out of mounting bracket.

Installing Installation is carried out in reverse sequence; note the following: l  The retaining clip -A- must be fitted on the master cylinder operating rod -B-. –  Press clutch pedal in direction of -arrow- to engage. Ensure that pedal is correctly located.

–  Fit stop -A- for clutch pedal again. l  Installation position: the angled tabs -arrow- point towards the master cylinder -B-. –  Install clutch pedal switch → Chapter „Removing and installing clutch pedal switch -F36- (square housing)“ or → Chapter „Removing and installing clutch pedal switch -F36- (round housing)“. –  Bleed clutch system → Chapter.